Answer:
Yes it is matter
Explanation:
In physics, usually the word "electricity" isn't really used. "Electric current" is more common, and is defined as the flow of charges, where the charges are held by particles (electrons). Electrons have mass, so they are definitely matter.
Assuming that this gas is in ideal state, we can use the relation that for every 1 mol of an ideal gas it would have a volume of 22.4 L. But before using this, relation we need to convert the number of grams of H2 into moles by using the molar mass of 2.02 g/mol.
moles H2 = 0.00922 g ( 1 mol / 2.02 g ) = 0.005 mol H2
Volume H2 at STP = 0.005 mol H2 ( 22.4 L / 1 mol ) = 0.102 L of H2
Answer:
It will feel 4.85% lighter.
Explanation:
Normal weight of the gold bar = 5.0 × 9.81 = 49.05 N
The weight of the gold bar would be reduced because of the buoyant force acting upwards.
weight of the gold bar under water = normal weight - weight of the water displaced by the gold bar.
first, we need to find the volume (V) of the gold bar.
Percentage of decrease in weight